What do they have in common and how do they differ?

The Liberal Party and the Conservatives (in Denmark)

Canada and USA

USA and Great Britain

Verbs and nouns

Computers and pens

Fiction and non-fiction

s-genitive and of-genitive

What do they have in common and how do they differ?

work and job

single people and couples

cars and public transportation

Barack Obama and George W. Bush

Ireland and Northern Ireland

The Statue of Liberty and the Star Spangled Banner

Apartheid and racial segregation